Ill. Admin. Code tit. 35 § 722.101
As used in this Part, the following terms have the following meanings:
"Condition for exemption" means any requirement in Sections 722.114 through 722.117, 722.170, or Subpart K or Subpart L that states an event, action, or standard that must occur or be met in order to obtain an exemption from any applicable requirement in 35 Ill. Adm. Code 702, 703, and 724 through 728, or from any requirement for notification under section 3010 of RCRA ( 42 USC 6930 ).
"Independent requirement" means a requirement of this Part that states an event, action, or standard that must occur or be met; and that applies without relation to, or irrespective of, the purpose of obtaining a conditional exemption from storage facility permit, interim status, and operating requirements under Sections 722.114 through 722.117, 722.170, or Subpart K or Subpart L.
Ill. Admin. Code tit. 35, § 722.101